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git-svn-id: http://anonsvn.jboss.org/repos/javassist/trunk@6 30ef5769-5b8d-40dd-aea6-55b5d6557bb3

1 files changed, 61 insertions, 0 deletions

diff --git a/src/main/javassist/compiler/ast/Pair.java b/src/main/javassist/compiler/ast/Pair.java
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+++ b/src/main/javassist/compiler/ast/Pair.java
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+/*
+ * This file is part of the Javassist toolkit.
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * either http://www.mozilla.org/MPL/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Javassist.
+ *
+ * The Initial Developer of the Original Code is Shigeru Chiba.  Portions
+ * created by Shigeru Chiba are Copyright (C) 1999-2003 Shigeru Chiba.
+ * All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * The development of this software is supported in part by the PRESTO
+ * program (Sakigake Kenkyu 21) of Japan Science and Technology Corporation.
+ */
+
+package javassist.compiler.ast;
+
+import javassist.compiler.CompileError;
+
+/**
+ * A node of a a binary tree.  This class provides concrete methods
+ * overriding abstract methods in ASTree.
+ */
+public class Pair extends ASTree {
+    protected ASTree left, right;
+
+    public Pair(ASTree _left, ASTree _right) {
+	left = _left;
+	right = _right;
+    }
+
+    public void accept(Visitor v) throws CompileError { v.atPair(this); }
+
+    public String toString() {
+	StringBuffer sbuf = new StringBuffer();
+	sbuf.append("(<Pair> ");
+	sbuf.append(left == null ? "<null>" : left.toString());
+	sbuf.append(" . ");
+	sbuf.append(right == null ? "<null>" : right.toString());
+	sbuf.append(')');
+	return sbuf.toString();
+    }
+
+    public ASTree getLeft() { return left; }
+
+    public ASTree getRight() { return right; }
+
+    public void setLeft(ASTree _left) { left = _left; }
+
+    public void setRight(ASTree _right) { right = _right; }
+}